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One product issued by NWS for: Yakima WA
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Freezing Fog Advisory

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
1123 PM PST THU JAN 19 2017

...DENSE FREEZING FOG THROUGH FRIDAY MORNING...

.MOISTURE TRAPPED UNDER A LOW LEVEL INVERSION WILL CONTINUE TO
CAUSE FOG THROUGH THE NIGHT AND EARLY FRIDAY. TEMPERATURES AT
MANY LOCATIONS ARE...OR WILL BE...AT OR BELOW FREEZING THROUGH THE
NIGHT. THUS THE FOG WILL FREEZE ON CONTACT WITH COLD SURFACES.

ORZ044-WAZ027-028-201530-
/O.CON.KPDT.ZF.Y.0002.000000T0000Z-170120T1800Z/
LOWER COLUMBIA BASIN OF OREGON-YAKIMA VALLEY-
LOWER COLUMBIA BASIN OF WASHINGTON-
INCLUDING THE CITIES OF...BOARDMAN...HERMISTON...IONE...NACHES...
SUNNYSIDE...TOPPENISH...YAKIMA...CONNELL...PROSSER...TRI-CITIES
1123 PM PST THU JAN 19 2017

...FREEZING FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY...

* TIMING...AREAS OF FREEZING FOG WILL PERSIST THROUGH THE NIGHT
  INTO FRIDAY MORNING.

* VISIBILITIES...ONE QUARTER MILE OR LESS AT TIMES.

* IMPACTS...THIS FOG CAN MAKE ROAD SURFACES AND SIDEWALKS SLICK.
  MOTORISTS SHOULD USE CAUTION AND SLOW DOWN AS VISIBILITIES
  WILL BE REDUCED AND STOPPING WILL BE DIFFICULT DUE TO BLACK
  ICE.

* TEMPERATURES...LOWS IN THE UPPER 20S. HIGHS IN THE MID 30S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZING FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.
ALSO...BE ALERT FOR FROST ON BRIDGE DECKS CAUSING SLIPPERY ROADS.

&&

$$



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Page last modified: May 16, 2007
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